Finding the Fourth Proportional to 1,845,504,293.20, 2,768,256,439.80 and 970,909,579.60
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Solution
The fourth proportional to 1,845,504,293.20, 2,768,256,439.80 and 970,909,579.60 is: 1,456,364,369.40
Step by Step Solution
- Step 1: Write the proportion equation
1,845,504,293.20 : 2,768,256,439.80 = 970,909,579.60 : x - Step 2: Convert to fraction form
1,845,504,293.20/2,768,256,439.80 = 970,909,579.60/x - Step 3: Cross multiply
1,845,504,293.20x = 2,768,256,439.80 × 970,909,579.60 - Step 4: Simplify right side
1,845,504,293.20x = 2,687,726,696,191,211,008 - Step 5: Solve for x
x = 2,687,726,696,191,211,008/1,845,504,293.20 - Step 6: Final answer
x = 1,456,364,369.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.